Houston — A former Customs and Border Protection officer in South Texas has won an appeal that overturns his murder conviction and 25-year prison sentence for the fatal shooting of a bar owner.

A divided Texas Court of Criminal Appeals ruled Wednesday that 37-year-old ex-agent Jose Guadalupe Elizondo is entitled to a new trial because a part of the instructions to jurors at his 2011 trial in Edinburg was improper. The court's 5-4 ruling reverses a lower appeals court decision that affirmed Elizondo's conviction.